2005 Audi A6 vs. 2007 Audi A3
To start off, 2007 Audi A3 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Audi A6. In addition, the cost of maintenance, including insurance, on 2005 Audi A6 would be higher. At 2,496 cc, 2005 Audi A6 is equipped with a bigger engine. In terms of performance, 2005 Audi A6 (161 HP @ 4000 RPM) has 23 more horse power than 2007 Audi A3. (138 HP @ 4000 RPM). In normal driving conditions, 2005 Audi A6 should accelerate faster than 2007 Audi A3. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A6 weights approximately 229 kg more than 2007 Audi A3. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2007 Audi A3 (320 Nm @ 1750 RPM) has 10 more torque (in Nm) than 2005 Audi A6. (310 Nm @ 1400 RPM). This means 2007 Audi A3 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A6.
Compare all specifications:
| 2005 Audi A6 | 2007 Audi A3 | |
| Make | Audi | Audi |
| Model | A6 | A3 |
| Year Released | 2005 | 2007 |
| Body Type | Station Wagon | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2496 cc | 1968 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 161 HP | 138 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 310 Nm | 320 Nm |
| Torque RPM | 1400 RPM | 1750 RPM |
| Engine Compression Ratio | 19.5:1 | 18.0:1 |
| Fuel Type | Diesel | Diesel |
| Top Speed | 210 km/hour | 207 km/hour |
| Acceleration 0-100mph | 9.5 seconds | 9.2 seconds |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1645 kg | 1416 kg |
| Wheelbase Size | 2850 mm | 2580 mm |
| Fuel Consumption Overall | 6.9 L/100km | 5.7 L/100km |
| Fuel Tank Capacity | 70 L | 55 L |
